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<a class="jxr_linenumber" name="1" href="#1">1</a>   <em class="jxr_comment">/*</em>
<a class="jxr_linenumber" name="2" href="#2">2</a>   <em class="jxr_comment"> * Copyright 2009 Red Hat, Inc.</em>
<a class="jxr_linenumber" name="3" href="#3">3</a>   <em class="jxr_comment"> *</em>
<a class="jxr_linenumber" name="4" href="#4">4</a>   <em class="jxr_comment"> * Red Hat licenses this file to you under the Apache License, version 2.0</em>
<a class="jxr_linenumber" name="5" href="#5">5</a>   <em class="jxr_comment"> * (the "License"); you may not use this file except in compliance with the</em>
<a class="jxr_linenumber" name="6" href="#6">6</a>   <em class="jxr_comment"> * License.  You may obtain a copy of the License at:</em>
<a class="jxr_linenumber" name="7" href="#7">7</a>   <em class="jxr_comment"> *</em>
<a class="jxr_linenumber" name="8" href="#8">8</a>   <em class="jxr_comment"> *    <a href="http://www.apache.org/licenses/LICENSE-2.0" target="alexandria_uri">http://www.apache.org/licenses/LICENSE-2.0</a></em>
<a class="jxr_linenumber" name="9" href="#9">9</a>   <em class="jxr_comment"> *</em>
<a class="jxr_linenumber" name="10" href="#10">10</a>  <em class="jxr_comment"> * Unless required by applicable law or agreed to in writing, software</em>
<a class="jxr_linenumber" name="11" href="#11">11</a>  <em class="jxr_comment"> * distributed under the License is distributed on an "AS IS" BASIS, WITHOUT</em>
<a class="jxr_linenumber" name="12" href="#12">12</a>  <em class="jxr_comment"> * WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.  See the</em>
<a class="jxr_linenumber" name="13" href="#13">13</a>  <em class="jxr_comment"> * License for the specific language governing permissions and limitations</em>
<a class="jxr_linenumber" name="14" href="#14">14</a>  <em class="jxr_comment"> * under the License.</em>
<a class="jxr_linenumber" name="15" href="#15">15</a>  <em class="jxr_comment"> */</em>
<a class="jxr_linenumber" name="16" href="#16">16</a>  <strong class="jxr_keyword">package</strong> org.jboss.netty.channel;
<a class="jxr_linenumber" name="17" href="#17">17</a>  
<a class="jxr_linenumber" name="18" href="#18">18</a>  <strong class="jxr_keyword">import</strong> org.jboss.netty.buffer.ChannelBuffer;
<a class="jxr_linenumber" name="19" href="#19">19</a>  <strong class="jxr_keyword">import</strong> org.jboss.netty.logging.InternalLogger;
<a class="jxr_linenumber" name="20" href="#20">20</a>  <strong class="jxr_keyword">import</strong> org.jboss.netty.logging.InternalLoggerFactory;
<a class="jxr_linenumber" name="21" href="#21">21</a>  
<a class="jxr_linenumber" name="22" href="#22">22</a>  
<a class="jxr_linenumber" name="23" href="#23">23</a>  <em class="jxr_javadoccomment">/**</em>
<a class="jxr_linenumber" name="24" href="#24">24</a>  <em class="jxr_javadoccomment"> * A {@link ChannelUpstreamHandler} which provides an individual handler method</em>
<a class="jxr_linenumber" name="25" href="#25">25</a>  <em class="jxr_javadoccomment"> * for each event type.  This handler down-casts the received upstream event</em>
<a class="jxr_linenumber" name="26" href="#26">26</a>  <em class="jxr_javadoccomment"> * into more meaningful sub-type event and calls an appropriate handler method</em>
<a class="jxr_linenumber" name="27" href="#27">27</a>  <em class="jxr_javadoccomment"> * with the down-cast event.  The names of the methods are identical to the</em>
<a class="jxr_linenumber" name="28" href="#28">28</a>  <em class="jxr_javadoccomment"> * upstream event names, as introduced in the {@link ChannelEvent} documentation.</em>
<a class="jxr_linenumber" name="29" href="#29">29</a>  <em class="jxr_javadoccomment"> * &lt;p&gt;</em>
<a class="jxr_linenumber" name="30" href="#30">30</a>  <em class="jxr_javadoccomment"> * Please use {@link SimpleChannelHandler} if you need to implement both</em>
<a class="jxr_linenumber" name="31" href="#31">31</a>  <em class="jxr_javadoccomment"> * {@link ChannelUpstreamHandler} and {@link ChannelDownstreamHandler}.</em>
<a class="jxr_linenumber" name="32" href="#32">32</a>  <em class="jxr_javadoccomment"> *</em>
<a class="jxr_linenumber" name="33" href="#33">33</a>  <em class="jxr_javadoccomment"> * &lt;h3&gt;Overriding the {@link #handleUpstream(ChannelHandlerContext, ChannelEvent) handleUpstream} method&lt;/h3&gt;</em>
<a class="jxr_linenumber" name="34" href="#34">34</a>  <em class="jxr_javadoccomment"> * &lt;p&gt;</em>
<a class="jxr_linenumber" name="35" href="#35">35</a>  <em class="jxr_javadoccomment"> * You can override the {@link #handleUpstream(ChannelHandlerContext, ChannelEvent) handleUpstream}</em>
<a class="jxr_linenumber" name="36" href="#36">36</a>  <em class="jxr_javadoccomment"> * method just like overriding an ordinary Java method.  Please make sure to</em>
<a class="jxr_linenumber" name="37" href="#37">37</a>  <em class="jxr_javadoccomment"> * call {@code super.handleUpstream()} so that other handler methods are invoked</em>
<a class="jxr_linenumber" name="38" href="#38">38</a>  <em class="jxr_javadoccomment"> * properly:</em>
<a class="jxr_linenumber" name="39" href="#39">39</a>  <em class="jxr_javadoccomment"> * &lt;/p&gt;</em>
<a class="jxr_linenumber" name="40" href="#40">40</a>  <em class="jxr_javadoccomment"> * &lt;pre&gt;public class MyChannelHandler extends {@link SimpleChannelUpstreamHandler} {</em>
<a class="jxr_linenumber" name="41" href="#41">41</a>  <em class="jxr_javadoccomment"> *</em>
<a class="jxr_linenumber" name="42" href="#42">42</a>  <em class="jxr_javadoccomment"> *     {@code @Override}</em>
<a class="jxr_linenumber" name="43" href="#43">43</a>  <em class="jxr_javadoccomment"> *     public void handleUpstream({@link ChannelHandlerContext} ctx, {@link ChannelEvent} e) throws Exception {</em>
<a class="jxr_linenumber" name="44" href="#44">44</a>  <em class="jxr_javadoccomment"> *</em>
<a class="jxr_linenumber" name="45" href="#45">45</a>  <em class="jxr_javadoccomment"> *         // Log all channel state changes.</em>
<a class="jxr_linenumber" name="46" href="#46">46</a>  <em class="jxr_javadoccomment"> *         if (e instanceof {@link ChannelStateEvent}) {</em>
<a class="jxr_linenumber" name="47" href="#47">47</a>  <em class="jxr_javadoccomment"> *             logger.info("Channel state changed: " + e);</em>
<a class="jxr_linenumber" name="48" href="#48">48</a>  <em class="jxr_javadoccomment"> *         }</em>
<a class="jxr_linenumber" name="49" href="#49">49</a>  <em class="jxr_javadoccomment"> *</em>
<a class="jxr_linenumber" name="50" href="#50">50</a>  <em class="jxr_javadoccomment"> *         &lt;strong&gt;super.handleUpstream(ctx, e);&lt;/strong&gt;</em>
<a class="jxr_linenumber" name="51" href="#51">51</a>  <em class="jxr_javadoccomment"> *     }</em>
<a class="jxr_linenumber" name="52" href="#52">52</a>  <em class="jxr_javadoccomment"> * }&lt;/pre&gt;</em>
<a class="jxr_linenumber" name="53" href="#53">53</a>  <em class="jxr_javadoccomment"> *</em>
<a class="jxr_linenumber" name="54" href="#54">54</a>  <em class="jxr_javadoccomment"> * @author &lt;a href="<a href="http://www.jboss.org/netty/" target="alexandria_uri">http://www.jboss.org/netty/</a>"&gt;The Netty Project&lt;/a&gt;</em>
<a class="jxr_linenumber" name="55" href="#55">55</a>  <em class="jxr_javadoccomment"> * @author &lt;a href="<a href="http://gleamynode.net/" target="alexandria_uri">http://gleamynode.net/</a>"&gt;Trustin Lee&lt;/a&gt;</em>
<a class="jxr_linenumber" name="56" href="#56">56</a>  <em class="jxr_javadoccomment"> *</em>
<a class="jxr_linenumber" name="57" href="#57">57</a>  <em class="jxr_javadoccomment"> * @version $Rev: 2122 $, $Date: 2010-02-02 11:00:04 +0900 (Tue, 02 Feb 2010) $</em>
<a class="jxr_linenumber" name="58" href="#58">58</a>  <em class="jxr_javadoccomment"> */</em>
<a class="jxr_linenumber" name="59" href="#59">59</a>  <strong class="jxr_keyword">public</strong> <strong class="jxr_keyword">class</strong> <a href="../../../../org/jboss/netty/channel/SimpleChannelUpstreamHandler.html">SimpleChannelUpstreamHandler</a> <strong class="jxr_keyword">implements</strong> <a href="../../../../org/jboss/netty/channel/ChannelUpstreamHandler.html">ChannelUpstreamHandler</a> {
<a class="jxr_linenumber" name="60" href="#60">60</a>  
<a class="jxr_linenumber" name="61" href="#61">61</a>      <strong class="jxr_keyword">private</strong> <strong class="jxr_keyword">static</strong> <strong class="jxr_keyword">final</strong> <a href="../../../../org/jboss/netty/logging/InternalLogger.html">InternalLogger</a> logger =
<a class="jxr_linenumber" name="62" href="#62">62</a>          InternalLoggerFactory.getInstance(SimpleChannelUpstreamHandler.<strong class="jxr_keyword">class</strong>.getName());
<a class="jxr_linenumber" name="63" href="#63">63</a>  
<a class="jxr_linenumber" name="64" href="#64">64</a>      <em class="jxr_javadoccomment">/**</em>
<a class="jxr_linenumber" name="65" href="#65">65</a>  <em class="jxr_javadoccomment">     * Creates a new instance.</em>
<a class="jxr_linenumber" name="66" href="#66">66</a>  <em class="jxr_javadoccomment">     */</em>
<a class="jxr_linenumber" name="67" href="#67">67</a>      <strong class="jxr_keyword">public</strong> <a href="../../../../org/jboss/netty/channel/SimpleChannelUpstreamHandler.html">SimpleChannelUpstreamHandler</a>() {
<a class="jxr_linenumber" name="68" href="#68">68</a>          <strong class="jxr_keyword">super</strong>();
<a class="jxr_linenumber" name="69" href="#69">69</a>      }
<a class="jxr_linenumber" name="70" href="#70">70</a>  
<a class="jxr_linenumber" name="71" href="#71">71</a>      <em class="jxr_javadoccomment">/**</em>
<a class="jxr_linenumber" name="72" href="#72">72</a>  <em class="jxr_javadoccomment">     * {@inheritDoc}  Down-casts the received upstream event into more</em>
<a class="jxr_linenumber" name="73" href="#73">73</a>  <em class="jxr_javadoccomment">     * meaningful sub-type event and calls an appropriate handler method with</em>
<a class="jxr_linenumber" name="74" href="#74">74</a>  <em class="jxr_javadoccomment">     * the down-casted event.</em>
<a class="jxr_linenumber" name="75" href="#75">75</a>  <em class="jxr_javadoccomment">     */</em>
<a class="jxr_linenumber" name="76" href="#76">76</a>      <strong class="jxr_keyword">public</strong> <strong class="jxr_keyword">void</strong> handleUpstream(
<a class="jxr_linenumber" name="77" href="#77">77</a>              <a href="../../../../org/jboss/netty/channel/ChannelHandlerContext.html">ChannelHandlerContext</a> ctx, <a href="../../../../org/jboss/netty/channel/ChannelEvent.html">ChannelEvent</a> e) <strong class="jxr_keyword">throws</strong> Exception {
<a class="jxr_linenumber" name="78" href="#78">78</a>  
<a class="jxr_linenumber" name="79" href="#79">79</a>          <strong class="jxr_keyword">if</strong> (e instanceof MessageEvent) {
<a class="jxr_linenumber" name="80" href="#80">80</a>              messageReceived(ctx, (MessageEvent) e);
<a class="jxr_linenumber" name="81" href="#81">81</a>          } <strong class="jxr_keyword">else</strong> <strong class="jxr_keyword">if</strong> (e instanceof WriteCompletionEvent) {
<a class="jxr_linenumber" name="82" href="#82">82</a>              <a href="../../../../org/jboss/netty/channel/WriteCompletionEvent.html">WriteCompletionEvent</a> evt = (WriteCompletionEvent) e;
<a class="jxr_linenumber" name="83" href="#83">83</a>              writeComplete(ctx, evt);
<a class="jxr_linenumber" name="84" href="#84">84</a>          } <strong class="jxr_keyword">else</strong> <strong class="jxr_keyword">if</strong> (e instanceof ChildChannelStateEvent) {
<a class="jxr_linenumber" name="85" href="#85">85</a>              <a href="../../../../org/jboss/netty/channel/ChildChannelStateEvent.html">ChildChannelStateEvent</a> evt = (ChildChannelStateEvent) e;
<a class="jxr_linenumber" name="86" href="#86">86</a>              <strong class="jxr_keyword">if</strong> (evt.getChildChannel().isOpen()) {
<a class="jxr_linenumber" name="87" href="#87">87</a>                  childChannelOpen(ctx, evt);
<a class="jxr_linenumber" name="88" href="#88">88</a>              } <strong class="jxr_keyword">else</strong> {
<a class="jxr_linenumber" name="89" href="#89">89</a>                  childChannelClosed(ctx, evt);
<a class="jxr_linenumber" name="90" href="#90">90</a>              }
<a class="jxr_linenumber" name="91" href="#91">91</a>          } <strong class="jxr_keyword">else</strong> <strong class="jxr_keyword">if</strong> (e instanceof ChannelStateEvent) {
<a class="jxr_linenumber" name="92" href="#92">92</a>              <a href="../../../../org/jboss/netty/channel/ChannelStateEvent.html">ChannelStateEvent</a> evt = (ChannelStateEvent) e;
<a class="jxr_linenumber" name="93" href="#93">93</a>              <strong class="jxr_keyword">switch</strong> (evt.getState()) {
<a class="jxr_linenumber" name="94" href="#94">94</a>              <strong class="jxr_keyword">case</strong> OPEN:
<a class="jxr_linenumber" name="95" href="#95">95</a>                  <strong class="jxr_keyword">if</strong> (Boolean.TRUE.equals(evt.getValue())) {
<a class="jxr_linenumber" name="96" href="#96">96</a>                      channelOpen(ctx, evt);
<a class="jxr_linenumber" name="97" href="#97">97</a>                  } <strong class="jxr_keyword">else</strong> {
<a class="jxr_linenumber" name="98" href="#98">98</a>                      channelClosed(ctx, evt);
<a class="jxr_linenumber" name="99" href="#99">99</a>                  }
<a class="jxr_linenumber" name="100" href="#100">100</a>                 <strong class="jxr_keyword">break</strong>;
<a class="jxr_linenumber" name="101" href="#101">101</a>             <strong class="jxr_keyword">case</strong> BOUND:
<a class="jxr_linenumber" name="102" href="#102">102</a>                 <strong class="jxr_keyword">if</strong> (evt.getValue() != <strong class="jxr_keyword">null</strong>) {
<a class="jxr_linenumber" name="103" href="#103">103</a>                     channelBound(ctx, evt);
<a class="jxr_linenumber" name="104" href="#104">104</a>                 } <strong class="jxr_keyword">else</strong> {
<a class="jxr_linenumber" name="105" href="#105">105</a>                     channelUnbound(ctx, evt);
<a class="jxr_linenumber" name="106" href="#106">106</a>                 }
<a class="jxr_linenumber" name="107" href="#107">107</a>                 <strong class="jxr_keyword">break</strong>;
<a class="jxr_linenumber" name="108" href="#108">108</a>             <strong class="jxr_keyword">case</strong> CONNECTED:
<a class="jxr_linenumber" name="109" href="#109">109</a>                 <strong class="jxr_keyword">if</strong> (evt.getValue() != <strong class="jxr_keyword">null</strong>) {
<a class="jxr_linenumber" name="110" href="#110">110</a>                     channelConnected(ctx, evt);
<a class="jxr_linenumber" name="111" href="#111">111</a>                 } <strong class="jxr_keyword">else</strong> {
<a class="jxr_linenumber" name="112" href="#112">112</a>                     channelDisconnected(ctx, evt);
<a class="jxr_linenumber" name="113" href="#113">113</a>                 }
<a class="jxr_linenumber" name="114" href="#114">114</a>                 <strong class="jxr_keyword">break</strong>;
<a class="jxr_linenumber" name="115" href="#115">115</a>             <strong class="jxr_keyword">case</strong> INTEREST_OPS:
<a class="jxr_linenumber" name="116" href="#116">116</a>                 channelInterestChanged(ctx, evt);
<a class="jxr_linenumber" name="117" href="#117">117</a>                 <strong class="jxr_keyword">break</strong>;
<a class="jxr_linenumber" name="118" href="#118">118</a>             <strong class="jxr_keyword">default</strong>:
<a class="jxr_linenumber" name="119" href="#119">119</a>                 ctx.sendUpstream(e);
<a class="jxr_linenumber" name="120" href="#120">120</a>             }
<a class="jxr_linenumber" name="121" href="#121">121</a>         } <strong class="jxr_keyword">else</strong> <strong class="jxr_keyword">if</strong> (e instanceof ExceptionEvent) {
<a class="jxr_linenumber" name="122" href="#122">122</a>             exceptionCaught(ctx, (ExceptionEvent) e);
<a class="jxr_linenumber" name="123" href="#123">123</a>         } <strong class="jxr_keyword">else</strong> {
<a class="jxr_linenumber" name="124" href="#124">124</a>             ctx.sendUpstream(e);
<a class="jxr_linenumber" name="125" href="#125">125</a>         }
<a class="jxr_linenumber" name="126" href="#126">126</a>     }
<a class="jxr_linenumber" name="127" href="#127">127</a> 
<a class="jxr_linenumber" name="128" href="#128">128</a>     <em class="jxr_javadoccomment">/**</em>
<a class="jxr_linenumber" name="129" href="#129">129</a> <em class="jxr_javadoccomment">     * Invoked when a message object (e.g: {@link ChannelBuffer}) was received</em>
<a class="jxr_linenumber" name="130" href="#130">130</a> <em class="jxr_javadoccomment">     * from a remote peer.</em>
<a class="jxr_linenumber" name="131" href="#131">131</a> <em class="jxr_javadoccomment">     */</em>
<a class="jxr_linenumber" name="132" href="#132">132</a>     <strong class="jxr_keyword">public</strong> <strong class="jxr_keyword">void</strong> messageReceived(
<a class="jxr_linenumber" name="133" href="#133">133</a>             <a href="../../../../org/jboss/netty/channel/ChannelHandlerContext.html">ChannelHandlerContext</a> ctx, <a href="../../../../org/jboss/netty/channel/MessageEvent.html">MessageEvent</a> e) <strong class="jxr_keyword">throws</strong> Exception {
<a class="jxr_linenumber" name="134" href="#134">134</a>         ctx.sendUpstream(e);
<a class="jxr_linenumber" name="135" href="#135">135</a>     }
<a class="jxr_linenumber" name="136" href="#136">136</a> 
<a class="jxr_linenumber" name="137" href="#137">137</a>     <em class="jxr_javadoccomment">/**</em>
<a class="jxr_linenumber" name="138" href="#138">138</a> <em class="jxr_javadoccomment">     * Invoked when an exception was raised by an I/O thread or a</em>
<a class="jxr_linenumber" name="139" href="#139">139</a> <em class="jxr_javadoccomment">     * {@link ChannelHandler}.</em>
<a class="jxr_linenumber" name="140" href="#140">140</a> <em class="jxr_javadoccomment">     */</em>
<a class="jxr_linenumber" name="141" href="#141">141</a>     <strong class="jxr_keyword">public</strong> <strong class="jxr_keyword">void</strong> exceptionCaught(
<a class="jxr_linenumber" name="142" href="#142">142</a>             <a href="../../../../org/jboss/netty/channel/ChannelHandlerContext.html">ChannelHandlerContext</a> ctx, <a href="../../../../org/jboss/netty/channel/ExceptionEvent.html">ExceptionEvent</a> e) <strong class="jxr_keyword">throws</strong> Exception {
<a class="jxr_linenumber" name="143" href="#143">143</a>         <strong class="jxr_keyword">if</strong> (<strong class="jxr_keyword">this</strong> == ctx.getPipeline().getLast()) {
<a class="jxr_linenumber" name="144" href="#144">144</a>             logger.warn(
<a class="jxr_linenumber" name="145" href="#145">145</a>                     <span class="jxr_string">"EXCEPTION, please implement "</span> + getClass().getName() +
<a class="jxr_linenumber" name="146" href="#146">146</a>                     <span class="jxr_string">".exceptionCaught() for proper handling."</span>, e.getCause());
<a class="jxr_linenumber" name="147" href="#147">147</a>         }
<a class="jxr_linenumber" name="148" href="#148">148</a>         ctx.sendUpstream(e);
<a class="jxr_linenumber" name="149" href="#149">149</a>     }
<a class="jxr_linenumber" name="150" href="#150">150</a> 
<a class="jxr_linenumber" name="151" href="#151">151</a>     <em class="jxr_javadoccomment">/**</em>
<a class="jxr_linenumber" name="152" href="#152">152</a> <em class="jxr_javadoccomment">     * Invoked when a {@link Channel} is open, but not bound nor connected.</em>
<a class="jxr_linenumber" name="153" href="#153">153</a> <em class="jxr_javadoccomment">     */</em>
<a class="jxr_linenumber" name="154" href="#154">154</a>     <strong class="jxr_keyword">public</strong> <strong class="jxr_keyword">void</strong> channelOpen(
<a class="jxr_linenumber" name="155" href="#155">155</a>             <a href="../../../../org/jboss/netty/channel/ChannelHandlerContext.html">ChannelHandlerContext</a> ctx, <a href="../../../../org/jboss/netty/channel/ChannelStateEvent.html">ChannelStateEvent</a> e) <strong class="jxr_keyword">throws</strong> Exception {
<a class="jxr_linenumber" name="156" href="#156">156</a>         ctx.sendUpstream(e);
<a class="jxr_linenumber" name="157" href="#157">157</a>     }
<a class="jxr_linenumber" name="158" href="#158">158</a> 
<a class="jxr_linenumber" name="159" href="#159">159</a>     <em class="jxr_javadoccomment">/**</em>
<a class="jxr_linenumber" name="160" href="#160">160</a> <em class="jxr_javadoccomment">     * Invoked when a {@link Channel} is open and bound to a local address,</em>
<a class="jxr_linenumber" name="161" href="#161">161</a> <em class="jxr_javadoccomment">     * but not connected.</em>
<a class="jxr_linenumber" name="162" href="#162">162</a> <em class="jxr_javadoccomment">     */</em>
<a class="jxr_linenumber" name="163" href="#163">163</a>     <strong class="jxr_keyword">public</strong> <strong class="jxr_keyword">void</strong> channelBound(
<a class="jxr_linenumber" name="164" href="#164">164</a>             <a href="../../../../org/jboss/netty/channel/ChannelHandlerContext.html">ChannelHandlerContext</a> ctx, <a href="../../../../org/jboss/netty/channel/ChannelStateEvent.html">ChannelStateEvent</a> e) <strong class="jxr_keyword">throws</strong> Exception {
<a class="jxr_linenumber" name="165" href="#165">165</a>         ctx.sendUpstream(e);
<a class="jxr_linenumber" name="166" href="#166">166</a>     }
<a class="jxr_linenumber" name="167" href="#167">167</a> 
<a class="jxr_linenumber" name="168" href="#168">168</a>     <em class="jxr_javadoccomment">/**</em>
<a class="jxr_linenumber" name="169" href="#169">169</a> <em class="jxr_javadoccomment">     * Invoked when a {@link Channel} is open, bound to a local address, and</em>
<a class="jxr_linenumber" name="170" href="#170">170</a> <em class="jxr_javadoccomment">     * connected to a remote address.</em>
<a class="jxr_linenumber" name="171" href="#171">171</a> <em class="jxr_javadoccomment">     */</em>
<a class="jxr_linenumber" name="172" href="#172">172</a>     <strong class="jxr_keyword">public</strong> <strong class="jxr_keyword">void</strong> channelConnected(
<a class="jxr_linenumber" name="173" href="#173">173</a>             <a href="../../../../org/jboss/netty/channel/ChannelHandlerContext.html">ChannelHandlerContext</a> ctx, <a href="../../../../org/jboss/netty/channel/ChannelStateEvent.html">ChannelStateEvent</a> e) <strong class="jxr_keyword">throws</strong> Exception {
<a class="jxr_linenumber" name="174" href="#174">174</a>         ctx.sendUpstream(e);
<a class="jxr_linenumber" name="175" href="#175">175</a>     }
<a class="jxr_linenumber" name="176" href="#176">176</a> 
<a class="jxr_linenumber" name="177" href="#177">177</a>     <em class="jxr_javadoccomment">/**</em>
<a class="jxr_linenumber" name="178" href="#178">178</a> <em class="jxr_javadoccomment">     * Invoked when a {@link Channel}'s {@link Channel#getInterestOps() interestOps}</em>
<a class="jxr_linenumber" name="179" href="#179">179</a> <em class="jxr_javadoccomment">     * was changed.</em>
<a class="jxr_linenumber" name="180" href="#180">180</a> <em class="jxr_javadoccomment">     */</em>
<a class="jxr_linenumber" name="181" href="#181">181</a>     <strong class="jxr_keyword">public</strong> <strong class="jxr_keyword">void</strong> channelInterestChanged(
<a class="jxr_linenumber" name="182" href="#182">182</a>             <a href="../../../../org/jboss/netty/channel/ChannelHandlerContext.html">ChannelHandlerContext</a> ctx, <a href="../../../../org/jboss/netty/channel/ChannelStateEvent.html">ChannelStateEvent</a> e) <strong class="jxr_keyword">throws</strong> Exception {
<a class="jxr_linenumber" name="183" href="#183">183</a>         ctx.sendUpstream(e);
<a class="jxr_linenumber" name="184" href="#184">184</a>     }
<a class="jxr_linenumber" name="185" href="#185">185</a> 
<a class="jxr_linenumber" name="186" href="#186">186</a>     <em class="jxr_javadoccomment">/**</em>
<a class="jxr_linenumber" name="187" href="#187">187</a> <em class="jxr_javadoccomment">     * Invoked when a {@link Channel} was disconnected from its remote peer.</em>
<a class="jxr_linenumber" name="188" href="#188">188</a> <em class="jxr_javadoccomment">     */</em>
<a class="jxr_linenumber" name="189" href="#189">189</a>     <strong class="jxr_keyword">public</strong> <strong class="jxr_keyword">void</strong> channelDisconnected(
<a class="jxr_linenumber" name="190" href="#190">190</a>             <a href="../../../../org/jboss/netty/channel/ChannelHandlerContext.html">ChannelHandlerContext</a> ctx, <a href="../../../../org/jboss/netty/channel/ChannelStateEvent.html">ChannelStateEvent</a> e) <strong class="jxr_keyword">throws</strong> Exception {
<a class="jxr_linenumber" name="191" href="#191">191</a>         ctx.sendUpstream(e);
<a class="jxr_linenumber" name="192" href="#192">192</a>     }
<a class="jxr_linenumber" name="193" href="#193">193</a> 
<a class="jxr_linenumber" name="194" href="#194">194</a>     <em class="jxr_javadoccomment">/**</em>
<a class="jxr_linenumber" name="195" href="#195">195</a> <em class="jxr_javadoccomment">     * Invoked when a {@link Channel} was unbound from the current local address.</em>
<a class="jxr_linenumber" name="196" href="#196">196</a> <em class="jxr_javadoccomment">     */</em>
<a class="jxr_linenumber" name="197" href="#197">197</a>     <strong class="jxr_keyword">public</strong> <strong class="jxr_keyword">void</strong> channelUnbound(
<a class="jxr_linenumber" name="198" href="#198">198</a>             <a href="../../../../org/jboss/netty/channel/ChannelHandlerContext.html">ChannelHandlerContext</a> ctx, <a href="../../../../org/jboss/netty/channel/ChannelStateEvent.html">ChannelStateEvent</a> e) <strong class="jxr_keyword">throws</strong> Exception {
<a class="jxr_linenumber" name="199" href="#199">199</a>         ctx.sendUpstream(e);
<a class="jxr_linenumber" name="200" href="#200">200</a>     }
<a class="jxr_linenumber" name="201" href="#201">201</a> 
<a class="jxr_linenumber" name="202" href="#202">202</a>     <em class="jxr_javadoccomment">/**</em>
<a class="jxr_linenumber" name="203" href="#203">203</a> <em class="jxr_javadoccomment">     * Invoked when a {@link Channel} was closed and all its related resources</em>
<a class="jxr_linenumber" name="204" href="#204">204</a> <em class="jxr_javadoccomment">     * were released.</em>
<a class="jxr_linenumber" name="205" href="#205">205</a> <em class="jxr_javadoccomment">     */</em>
<a class="jxr_linenumber" name="206" href="#206">206</a>     <strong class="jxr_keyword">public</strong> <strong class="jxr_keyword">void</strong> channelClosed(
<a class="jxr_linenumber" name="207" href="#207">207</a>             <a href="../../../../org/jboss/netty/channel/ChannelHandlerContext.html">ChannelHandlerContext</a> ctx, <a href="../../../../org/jboss/netty/channel/ChannelStateEvent.html">ChannelStateEvent</a> e) <strong class="jxr_keyword">throws</strong> Exception {
<a class="jxr_linenumber" name="208" href="#208">208</a>         ctx.sendUpstream(e);
<a class="jxr_linenumber" name="209" href="#209">209</a>     }
<a class="jxr_linenumber" name="210" href="#210">210</a> 
<a class="jxr_linenumber" name="211" href="#211">211</a>     <em class="jxr_javadoccomment">/**</em>
<a class="jxr_linenumber" name="212" href="#212">212</a> <em class="jxr_javadoccomment">     * Invoked when something was written into a {@link Channel}.</em>
<a class="jxr_linenumber" name="213" href="#213">213</a> <em class="jxr_javadoccomment">     */</em>
<a class="jxr_linenumber" name="214" href="#214">214</a>     <strong class="jxr_keyword">public</strong> <strong class="jxr_keyword">void</strong> writeComplete(
<a class="jxr_linenumber" name="215" href="#215">215</a>             <a href="../../../../org/jboss/netty/channel/ChannelHandlerContext.html">ChannelHandlerContext</a> ctx, <a href="../../../../org/jboss/netty/channel/WriteCompletionEvent.html">WriteCompletionEvent</a> e) <strong class="jxr_keyword">throws</strong> Exception {
<a class="jxr_linenumber" name="216" href="#216">216</a>         ctx.sendUpstream(e);
<a class="jxr_linenumber" name="217" href="#217">217</a>     }
<a class="jxr_linenumber" name="218" href="#218">218</a> 
<a class="jxr_linenumber" name="219" href="#219">219</a>     <em class="jxr_javadoccomment">/**</em>
<a class="jxr_linenumber" name="220" href="#220">220</a> <em class="jxr_javadoccomment">     * Invoked when a child {@link Channel} was open.</em>
<a class="jxr_linenumber" name="221" href="#221">221</a> <em class="jxr_javadoccomment">     * (e.g. a server channel accepted a connection)</em>
<a class="jxr_linenumber" name="222" href="#222">222</a> <em class="jxr_javadoccomment">     */</em>
<a class="jxr_linenumber" name="223" href="#223">223</a>     <strong class="jxr_keyword">public</strong> <strong class="jxr_keyword">void</strong> childChannelOpen(
<a class="jxr_linenumber" name="224" href="#224">224</a>             <a href="../../../../org/jboss/netty/channel/ChannelHandlerContext.html">ChannelHandlerContext</a> ctx, <a href="../../../../org/jboss/netty/channel/ChildChannelStateEvent.html">ChildChannelStateEvent</a> e) <strong class="jxr_keyword">throws</strong> Exception {
<a class="jxr_linenumber" name="225" href="#225">225</a>         ctx.sendUpstream(e);
<a class="jxr_linenumber" name="226" href="#226">226</a>     }
<a class="jxr_linenumber" name="227" href="#227">227</a> 
<a class="jxr_linenumber" name="228" href="#228">228</a>     <em class="jxr_javadoccomment">/**</em>
<a class="jxr_linenumber" name="229" href="#229">229</a> <em class="jxr_javadoccomment">     * Invoked when a child {@link Channel} was closed.</em>
<a class="jxr_linenumber" name="230" href="#230">230</a> <em class="jxr_javadoccomment">     * (e.g. the accepted connection was closed)</em>
<a class="jxr_linenumber" name="231" href="#231">231</a> <em class="jxr_javadoccomment">     */</em>
<a class="jxr_linenumber" name="232" href="#232">232</a>     <strong class="jxr_keyword">public</strong> <strong class="jxr_keyword">void</strong> childChannelClosed(
<a class="jxr_linenumber" name="233" href="#233">233</a>             <a href="../../../../org/jboss/netty/channel/ChannelHandlerContext.html">ChannelHandlerContext</a> ctx, <a href="../../../../org/jboss/netty/channel/ChildChannelStateEvent.html">ChildChannelStateEvent</a> e) <strong class="jxr_keyword">throws</strong> Exception {
<a class="jxr_linenumber" name="234" href="#234">234</a>         ctx.sendUpstream(e);
<a class="jxr_linenumber" name="235" href="#235">235</a>     }
<a class="jxr_linenumber" name="236" href="#236">236</a> }
</pre>
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